YOU SAID:
If you weren't such an empty-wit, you shouldn't have killed my sibling!
INTO JAPANESE
あんなに空虚な機知に富んでいなかったら、俺のきょうだいを殺してはじゃなかった!
BACK INTO ENGLISH
If I hadn't been so empty and resourceful, I wouldn't have killed my siblings!
INTO JAPANESE
もし私があんなに空っぽで機知に富んでいなかったら、きょうだいたちを殺さなかったでしょう!
BACK INTO ENGLISH
If I hadn't been so empty and resourceful, I wouldn't have killed my siblings!
That didn't even make that much sense in English.